16809970905

Names of 16809970905

• Cardinal: 16809970905 can be written as Sixteen billion, eight hundred nine million, nine hundred seventy thousand, nine hundred five.

Scientific notation

• Scientific notation: 1.6809970905 × 10¹⁰

Factors of 16809970905

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1905

Divisors of 16809970905

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 35 39 45 63 65 81 91 105 117 135 189 195 243 273 315 351 405 455 567 585 729 819 945 1053 1215 1365 1701 1755 1877 2187 2457 2835 3159 3645 4095 5103 5265 5631 6561 7371 8505 9385 9477 10935 12285 13139 15309 15795 16893 19683 22113 24401 25515 28155 28431 32805 36855 39417 45927 47385 50679 65695 66339 73203 76545 84465 85293 98415 110565 118251 122005 137781 142155 152037 170807 197085 199017 219609 229635 253395 255879 331695 354753 366015 426465 456111 512421 591255 597051 658827 688905 760185 854035 995085 1064259 1098045 1279395 1368333 1537263 1773765 1791153 1976481 2280555 2562105 2985255 3192777 3294135 4104999 4611789 5321295 5929443 6841665 7686315 8955765 9578331 9882405 12314997 13835367 15963885 17788329 20524995 23058945 28734993 29647215 36944991 41506101 47891655 53364987 61574985 69176835 86204979 88941645 124518303 143674965 160094961 184724955 207530505 258614937 266824935 373554909 431024895 480284883 622591515 800474805 1120664727 1293074685 1867774545 2401424415 3361994181 5603323635 16809970905
• Sum of all divisors σ(n): 37259760384
• Sum of proper divisors (its aliquot sum) s(n): 20449789479
• 16809970905 is an abundant number, because the sum of its proper divisors (20449789479) is greater than itself. Its abundance is 3639818574

Bases of 16809970905

• Binary: 1111101001111100111100110011011001₂
• Hexadecimal: 0x3E9F3CCD9
• Base-36: 7Q080K9

Squares and roots of 16809970905

• 16809970905 squared (16809970905²) is 282575121826946519025
• 16809970905 cubed (16809970905³) is 4750079576387801429801278967625
• The square root of 16809970905 is 129653.2718638447
• The cube root of 16809970905 is 2561.6649175927

Scales and comparisons

• 16,809,970,905 seconds is equal to 534 years, 26 weeks, 1 day, 20 hours, 21 minutes, 45 seconds.
• To count from 1 to 16,809,970,905 would take you about one thousand and sixty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 16809970905 cubic inches would be around 213.5 feet tall.

Recreational maths with 16809970905

• 16809970905 backwards is 50907990861
• The number of decimal digits it has is: 11
• The sum of 16809970905's digits is 54
• More coming soon!